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Two weeks after seeding OS X Mavericks Developer Preview 3 to developers, Apple has made Preview 4 available via Software Update on the Mac App Store. If you find anything new, you can let us know at tips@9to5mac.com. We’ll update this post with a running list of changes. Changes below:

– New installation screen:

– LinkedIn quick posting to Connections via Notification Center:

– Subtle new Time Machine icon while taking a backup (Thanks, Frank!):- While in Mission Control, you can scroll through pages/windows (Thanks, Mart!)